Spring mattress, etc.



Jan. 13, 1931. v (OWEN 1,789,154 SPRING MATTRESS, E Tc Filed 001; 15,1926 s Sheets-Sheet 1 all-F ElwEN MWM I Jan. 13, 1931. D. T. OWEN1,189,154

SPRING MATTRESS, ETC

Filed Oct. 15, 1926 3 Sheets-Sheet 2 Jan. 13, 1931. I

' D. T. OWEN 0 1,789,154

SPRING MATTRESS; ETC

Filed on. 13, 1926 :s Sheets-Sheet s number 0 mined shape. a

springsare'also adapted to promote parallel in respect to. each otherwhenu'nderload'and compressed unequally. "These and other objects. areat i m using spiral'wirefisprlngshaving v as it appears before it isintroducedintolsaid. casing, Fig.4 is a sectional view of the,

Patented Jan. 13, 1931 'mlvm "r. ownm or CLEVELAND,

Ionon'ro THE OWEN -'.AUTOIZ[ATIC 5mm ND, omo, A CORPORATION or oIrIo'."

mutat -med October is, 1956. Serial n 1411293.

"My invention relates toi'spring mattresses,

cushions and the'like, and in-g'eneral my .ob-

ject is to provide an "exceptionally i'soft and I; resilient s ringstructure in wh ch a plural, f spiral springs are assembledjand" unitedin a particular way to peiniit fliinitjy of:action and alsoindividualaction of the springs in'a large measure or degree. Asconstructed, the spring structure permits each spiral spring, whereconnected with another, to contract and. expand transversely; as well aslongitudinally so that the complete spring structure may be placedu'fndertension within a liable or flexible covering or casing, there ystretching the coveringor cas ing smoothly "and uniformly in alldirections and in this waymaintaining the mattress or cushion at alltimesi-n its As. connected, the spiral instead of tilting movementstamed b open coi' s or .loops, and. ,by' connectingthe terminalrigidly'tothe end coil or loopof one or more adjacent sprin preferablyby meansof. by indenting the clips and metal clips an wires, allsubstantially as herein shown'i and describedand more particularlypointedout in the claims.

Fig. 1 is -a sectional 'vlewof aspring mat tress or cushion embodyingthe. invention.

Fig. 2 is a plan viewof a vcovering or casing of textilematerial, andFig. 3 is a plan view of my improved spring structure of com parativelylarger dimensions than the casing casing, and Fig 5 aside elevation ofthe spring structure, showing the respective dimensions of said parts ina vert cal lane and as they appear before being assemb the sprlng wiresrigidly together, andFig.

is a cross-section thereof. Fig. 8 is an edge view of the indentedclipand I 9 a erspective view of the two indented wires witliout theclip.- Fig. 10 is a top view of and full lines, showingthe desired,predeter-f portion of each open coiljor lo op in a full circle and totwist the end ed. Fig; 6 is a plan view of theclip for connecting.

wire, and Fig.

according tomy invention, andFi lill'is a side view of thesaid two,springs in. dotted 4 a parallel action of the sprnigswhen' onespring isdepressed. Fig. 1 2%- is' a diagram illustra ingft-he tilting two,coiled s rings connectedrigidly'together action of two "coiled springsunited together by a pivotal connection, Fig, 13" is a. plan view of.a..spring' 'structure constructed ac corclingflto my mvention,but-comprising af .lnod1fied arrangement in the j setting of the springsin rows, and, Fig. 141 a similar new of a varla-tionin the for.=r1gidf-connection' with each", other.

The resilient spring'wir'e structure. exempl fied 1n the drawingscomprisesa plurality ofspiral .wire springs 2 arranged and connectedtogether in parallel rows. Each spring has 'c'onvoliitions'or coils ofgraduated diameter widely spread-apart or extended, thereby v providing,a .resilient'fbodyf of conical. form haying alarge coil or loop 3 at oneend in the case of a single cone and a second large coil or loops in"the? caseof spiral springs of hour glass shape; @Heretofore, thegeneral practice has been to form the end coil or loop of the wirearound the body: offtheysame wire at the beginning of the circle. or.loop where these parts meet, tus-. forming an.endless closed loop forthe spiralsp'ring; [I am also aware that other meansthanitwisting thewire has been'resorted to in fastening: the end'of; the I wire. to thebody t me; spring andito form a closed loop, but thepresent spiralspring differs from such known springs in that the end coil ,orloop-isleft open, that is, the end or terminal portion 5 isnot fastened or connected. to the body part of the same coil or loop but is'free to movefor flex in every direction. In employing a, spring structureof this, Pdded covering, Spiral p g of.

kindin a flexible casing or such as a cushion cover C, hour glasstshapeis preferred and both end loops are left open.v terminal portion of eachend loop is not wholly free in the spring structure as a whole, becauseeachterminal or end 5 is fastened or connectedto a body part of theouterloop of an adjacent spring. I use a rigid However, the end orsetting ofthe'springs with a pivotal connection aside pull ,on one] iscaused while the other is beingcompressed,

I one spring is compressed more'than the other. This distributes theload over wider areas.

thus handing and tilting one spring laterall and seeks to evade the loaspring assumes the main burden. But by fastening the 'free end of thetop loop of one spring in a rigid manner to t e top loo of t e nextspring neitherwire caniturn an load is transmitted hythe rigidconnection from one to the other softhat both will be compressed onparallel lineseven-thou'gh' withthe resilientbenefit fromall thespringswithin that area, without tilting the springs. The parallel movement oftwosprings under u'miilual distribution of pressure isillustrated inllbydotted andfull lines, which 11' ure s ows one sprin erable extentand "t e other spring drawn down in lesser degree, but drawndown nevertheless a substantial distance, by the rigid connection between thetoploops; This gure shows'the top loop in the depressed spring lym in ahorizontal lane andtheto loop of the other spring, rawn downwar 1' bythe rigid connection until it lies in aninc 'ned plane, making it appearthat thelwire or wires where unitedtogetherhy fastener F wires are.brought must turn or I rotate in order that' the parts f in thatrelation. But the ,lwires' y nd V do not turnwhere "fastened together;instead, a torsional strainf ortwlst takes place in the wireitselfthroughout theloop and as a result all the coils o rloops in. that sring areacted upon and pressed' downwa'rd y on I a the union between thetwo-'wires where'the torsional stress" con-- parallel lines. Obviously,

ter's mustbe exceptionally strong, otherwise the wireswill turn intheirseats within fas- Ihave therefore devised a tening device 7 specialform of metal the indenting or u necting wires a'ndt inFi gs. 6 to 9.";

fastener which'in'vol'ves setting of the two 0011- of' one open loopsame plane and aflat iece 01'. st" of metal is wrapped around botwiresun the opposite ends of this piece overlap'in'substantial degree.Suitabledies are then used to indent the metal fastener transverselythereof thus also indenting the two wires. A sharply defineddepressionGris formed in thetop surface of thefaste'ner which its counter part inthe two Wires-,which are kinked or art of the end loop- We ged .ppenWhile the other the depressed to a. consi j also bepressedtogether'latera fastening is employed to prov de a e fastener asdelineated I p 7' I' ment gives equal resiliency frome'achside of"Thus','in fastening the free end or terminal of one spring to'the ,wireI body or top lo'op'of another spring, the two closely together in thewithin the bends or ofisets which are also formed in the overlappingguts of the fuss tener. The overla ping en other, and by in entin bothoverlapping ends the fastener is ma e strong enoug to res'ji'st't e"twisting movements offthe wires and also strongenough to preventthe'ovenlap d sends of the fastener from being under such twisting strains;

-,S ings such as described, may be assemble in several ways, all asexemplified in four paral el rows-of springs each spring in each rowhavin the-open side and terminal part of each top cop facing the samedirection? The springs are rigidly connected such indented fasteners ashereinbed, because the terminal part together by before dose of each.toploop is free to playlin respect'to load-boa" ng' surface" of 'theentire spring the'othercoils or loops in the same spring thejstructure'isnot rigid hutma'y be freely com- Pre se p t or "spdistorting the open loops o springs'in any marked degree;

laces without be. s'tretohe sueh'spring's are rigidly connected ito herin the way herein descr bed, thus the adjacent v T or p I V laterally orcontracted to a smaller diameter an the move- 'ment is cmnulatiye wherea plural number of permitting reenforce each Figs. 3, 13i-and 14. Thusin Fig. 3,1 show I the spring structure be made of slight f largerdimensions than a covering or casing, say as exemplified in to' 5; Sucha spring structure maylbe attened to thinner dimensions, as in t of osembly, but the present mo rd yi 'pr structure may y and therebyplacedfunder'tension sothat it spread transversely when'confined-withinfa covering or casing of smaller'dimensions than .the'

normal size of said spring structure, thus stretching"the "goods andmaintaining; the.

I cushion in its predetermined shape.

"In Fig. 13, the same spring andmode of portions row ave the open sidesor termina K facingin a different direcof their top: loops tion than thQH -Bi eS or terminals of the; o mng'row; arrangemay be made ofrelativelysin'aller gauge wire than that used customarily for sustamingthe same loads, thereby asofter and more yieldable spring asaem but inthat the;

this connection it must be 'und'e extremely important advantage sad. ingin the present invention is that'the springs lars ring structure, butthe sprin' "in one use of such smaller gauge wire would not givesatisfactory results unless the springs are united rigidly as hereindescribed so, as to utilize the torsibility of the wire in each springin distributing and carrying the load to other springs. Thus incompressing one spring made of light gauge wire a twisting movement isimparted to the wire in the connected spring which tends to compress thesecond spring and thereby sup lement the resistance of the first spring,see ig. v11.

, What I claim is:

1. Aself-conta-ined sprin unit comprisin a plurality of helically cofiedsprings, eac springterminating in free flexing extremities, theextremities of each spring being rigidly connected to an adjoiningspring, and each spring being formed of continuously curving spiralconvolutions from one extremity to the other. 2. A self-contained sprinunit comprisin a plurality of helically coi ed springs, eac of thesprings terminating in free flexing extremitles, and a clip rigidlyconnecting each of said extremities to an adjoining Y spring, eachspring being formed of continuously curving spiral convolutions from oneextremity to the other.

In testimony whereof I afiix my signature. DAVID T. GWEN.

